Technological innovation in the plastic industry and its influence on the environmental problems of plastic waste : (Sast project n. 7) / by P. Groenewegen, F. den Hond.- Luxembourg : Commission of the European Communities, 1992.- 143 p. ; 30 cm

Report on the automative industry, July 1992 / by P. Groenewegen and F den Hond...[et al.!.- Luxembourg : Commission of the European communities, c1992.- 143 p. ; 30 cm.